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Fencer Intel
medium 4.8

CVE-2018-1126 json

procps-ng before version 3.3.15 is vulnerable to an incorrect integer size in proc/alloc.* leading to truncation/integer overflow issues.

published 2018-05-23 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11770

cvss
4.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

procps-ng before version 3.3.15 is vulnerable to an incorrect integer size in proc/alloc.* leading to truncation/integer overflow issues. This flaw is related to CVE-2018-1124.

Patch / fix

  • procps-ng_project procps-ng 3.3.15
  • schneider-electric struxureware_data_center_expert 7.6.0
  • procps Debian 14, Debian 13, Debian 12 2:3.3.15-1

debian advisories DEBIAN-CVE-2018-1126

  • procps Ubuntu 14.04 LTS 1:3.3.9-1ubuntu2.3
  • procps Ubuntu 16.04 LTS 2:3.3.10-4ubuntu2.4
  • procps Ubuntu 18.04 LTS 2:3.3.12-3ubuntu1.1

ubuntu advisories UBUNTU-CVE-2018-1126

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • procps RHEL 6 3.2.8-45.el6_9.3
  • procps-ng RHEL 7 3.3.10-17.el7_5.2
  • procps-ng-i18n RHEL 7 3.3.10-17.el7_5.2
  • imgbased RHEL 7 1.0.17-0.1.el7ev
  • python-imgbased RHEL 7 1.0.17-0.1.el7ev
  • redhat-virtualization-host RHEL 7 4.2-20180531.0.el7_5
  • redhat-release-virtualization-host RHEL 7 4.2-3.1.el7
  • redhat-virtualization-host-image-update RHEL 7 4.2-20180531.0.el7_5

red hat advisories RHSA-2019:1944RHSA-2018:2267RHSA-2018:2268RHSA-2018:1777RHSA-2018:1700RHSA-2018:1820

  • procps SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 3.3.15-7.7.26
  • procps SLES 12 SP4, SLES 12 SP3, SLES 12 SP2-BCL +13 more 3.3.9-11.18.1
  • procps SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 3.3.9-11.14.1
  • procps SLES for SAP 11 SP4, SLES 11 SP4 3.2.7-152.31.1
  • procps SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 3.3.9-11.11.1

suse advisories SUSE-SU-2019:2730-1SUSE-SU-2019:0450-2SUSE-SU-2019:0450-1SUSE-SU-2018:2451-2SUSE-SU-2018:2042-1SUSE-SU-2018:1836-1

  • procps openSUSE Tumbleweed 3.3.17-5.2
  • procps openSUSE Leap 15.0 3.3.15-lp150.5.3.1
  • procps openSUSE Leap 15.1 3.3.15-lp151.6.3.1

opensuse advisories openSUSE-SU-2024:11195-1openSUSE-SU-2019:2379-1openSUSE-SU-2019:2376-1

  • procps-ng Arch Linux 3.3.15-1

arch linux advisories AVG-705

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1126 updated cvss 4.8

procps: incorrect integer size in proc/alloc.* leading to truncation / integer overflow issues

  • Red Hat Enterprise Linux 5 procps
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) procps-ng 3.3.10-17.el7_5.2 Red Hat Enterprise Linux Client Optional (v. 7) procps-ng-i18n 3.3.10-17.el7_5.2 Red Hat Enterprise Linux ComputeNode (v. 7) procps-ng 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) procps-ng 3.3.10-16.el7_4.1
    fixed: vendor fix RHSA-2019:1944
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) procps-ng-i18n 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) procps-ng-i18n 3.3.10-16.el7_4.1
    fixed: vendor fix RHSA-2019:1944
  • Red Hat Enterprise Linux Desktop (v. 6) procps 3.2.8-45.el6_9.3 Red Hat Enterprise Linux Desktop Optional (v. 6) procps-devel 3.2.8-45.el6_9.3, procps-debuginfo 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) procps-ng 3.3.10-17.el7_5.2 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) procps-ng-i18n 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Enterprise Linux HPC Node (v. 6) procps 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
show 20 more
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) procps 3.2.8-35.el6_7.1
    fixed: vendor fix RHSA-2018:2267
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) procps-devel 3.2.8-45.el6_9.3, procps-debuginfo 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
  • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) procps-devel 3.2.8-35.el6_7.1, procps-debuginfo 3.2.8-35.el6_7.1
    fixed: vendor fix RHSA-2018:2267
  • Red Hat Enterprise Linux Server (v. 6) procps 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
  • Red Hat Enterprise Linux Server (v. 7) procps-ng 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Enterprise Linux Server AUS (v. 6.6) procps 3.2.8-30.el6_6.1
    fixed: vendor fix RHSA-2018:2268
  • Red Hat Enterprise Linux Server EUS (v. 6.7) procps 3.2.8-35.el6_7.1
    fixed: vendor fix RHSA-2018:2267
  • Red Hat Enterprise Linux Server EUS (v. 7.4) procps-ng 3.3.10-16.el7_4.1
    fixed: vendor fix RHSA-2019:1944
  • Red Hat Enterprise Linux Server Optional (v. 6) procps-devel 3.2.8-45.el6_9.3, procps-debuginfo 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
  • Red Hat Enterprise Linux Server Optional (v. 7) procps-ng-i18n 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.6) procps-devel 3.2.8-30.el6_6.1, procps-debuginfo 3.2.8-30.el6_6.1
    fixed: vendor fix RHSA-2018:2268
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.7) procps-devel 3.2.8-35.el6_7.1, procps-debuginfo 3.2.8-35.el6_7.1
    fixed: vendor fix RHSA-2018:2267
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) procps-ng-i18n 3.3.10-16.el7_4.1
    fixed: vendor fix RHSA-2019:1944
  • Red Hat Enterprise Linux Server Optional TUS (v. 6.6) procps-devel 3.2.8-30.el6_6.1, procps-debuginfo 3.2.8-30.el6_6.1 Red Hat Enterprise Linux Server TUS (v. 6.6) procps 3.2.8-30.el6_6.1
    fixed: vendor fix RHSA-2018:2268
  • Red Hat Enterprise Linux Workstation (v. 6) procps 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
  • Red Hat Enterprise Linux Workstation (v. 7) procps-ng 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Enterprise Linux Workstation Optional (v. 6) procps-devel 3.2.8-45.el6_9.3, procps-debuginfo 3.2.8-45.el6_9.3
    fixed: vendor fix RHSA-2018:1777
  • Red Hat Enterprise Linux Workstation Optional (v. 7) procps-ng-i18n 3.3.10-17.el7_5.2
    fixed: vendor fix RHSA-2018:1700
  • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host 4.2-20180531.0.el7_5, redhat-virtualization-host-image-update 4.2-20180531.0.el7_5 Red Hat RHEL 7-based RHEV-H for RHEV 4 (build requirements) imgbased 1.0.17-0.1.el7ev, python-imgbased 1.0.17-0.1.el7ev, redhat-release-virtualization-host 4.2-3.1.el7, redhat-virtualization-host-image-update-placeholder 4.2-3.1.el7
    fixed: vendor fix RHSA-2018:1820
  • Red Hat Enterprise Linux 8 procps-ng, procps-ng-i18n Red Hat Enterprise Linux 9 procps-ng, procps-ng-i18n
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • qualys.com https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 4.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • [UNKNOWN] procps-ng, procps

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.